MD Helicopters, LLC. (formerly McDonnell Douglas Helicopter Systems) is an American aerospace manufacturer. It produces light utility helicopters for commercial and military use. The company was a subsidiary of Hughes Aircraft until 1984, when McDonnell Douglas acquired it and renamed it McDonnell Douglas Helicopter Systems. It later became MD Helicopters in 1999 after McDonnell Douglas merged with Boeing.
Schweizer 300CB, which began as the Hughes Model 269 in the 1950s.
The company began in 1947 as a unit of Hughes Aircraft, then was part of the Hughes Tool Company after 1955.[1] It became the helicopter division of Hughes' Summa Corporation in 1972,[2] and was finally reformed as Hughes Helicopters, Inc. in 1981. However, throughout its history, the company was informally known as Hughes Helicopters.[citation needed] The company was sold to McDonnell Douglas in 1984.
Hughes Helicopters produced three major designs during its 37-year history. The Model 269/300 was Hughes' first successful helicopter design.[3] Built in 1956, and entering production in 1957, it would eventually become part of the Army inventory as a primary trainer, designated TH-55 Osage. In 1983, the company licensed Schweizer Aircraft to produce the Model 300C. Schweizer was eventually purchased by Sikorsky Aircraft, which is itself now a division of Lockheed Martin.
In May 1965, the company won the contract for a new observation helicopter for the U.S. Army, and produced the OH-6 Cayuse (Hughes Model 369).[4] The OH-6 was later developed into the civilian Model 500, variants of which remain in production to this day.
An AH-64A
In 1975, the company won the contract for the AH-64 Apache attack helicopter.[5] By December 1981, six AH-64A prototypes had been built and the Army had awarded a production contract to the company.[6] Production would reach more than 1,100 by 2005.
In January 1984, Hughes Helicopters, Inc. was sold to McDonnell Douglas by Summa Corporation. McDonnell Douglas paid $470 million for the company and made it a subsidiary with the name McDonnell Douglas Helicopter Systems in August 1984.[7] In 1986, McDonnell Douglas sold all the rights to the Model 300C to Schweizer Aircraft.
On August 1, 1997, McDonnell Douglas merged into Boeing,[8] but Boeing's subsequent plans to sell the civilian helicopter line to Bell Helicopter in 1998 were thwarted by the US Federal Trade Commission (FTC).[9]
In 1999, Boeing completed the spin off of the civilian line of helicopters to a newly formed MD Helicopter Holdings Inc., an indirect subsidiary of the Dutch company, RDM Holding Inc. The line included the MD 500 and variants as well as the family of derivative NOTAR aircraft that originated with Hughes Helicopters Inc. Boeing maintained the AH-64 line of helicopters and rights to the NOTAR system.[10][11]
After suffering dismal commercial performance, the company was purchased in 2005 by Patriarch Partners, LLC, an investment fund.[12] The company was recapitalized as an independent company, MD Helicopters, Inc.[13] MD Helicopters is based in Mesa, Arizona.[14]Lynn Tilton, the Chief Executive Officer and sole principal of Patriarch Partners, was CEO of MD Helicopters until she relinquished control in March 2020 following bankruptcy court rulings related to Patriarch holdings.[15]
The new owners of MD Helicopters envision raising production to 50 helicopters a year by 2025 as the company rebuilds after exiting bankruptcy in August 2022.[17] The plans are part of efforts by the OEM's new owners to turn around the company's fortunes after what new CEO Brad Pedersen described as the “rocky heritage” of the manufacturer under different owners since it was spun off from the merger of McDonnell Douglas and Boeing[18] in the 1990s.
In 2023, the company closed out a long-running dispute with Aerometals over copyright and also has built closer relations with Boeing to cooperate on the AH-6 Little Bird platform, which shares a similar airframe to the MD530F.[17]
In 2023, the outlook looks bleak for the restart in production of the twin-engine MD902 or further investment in the company’s No Tail Rotor (NOTAR) anti-torque system technology. CEO Brad Pedersen says the company is trying to support the MD902 “where it can,” but the production line for the aircraft has been dormant for 10 years, as has the supply chain for components. “The MD902 is a difficult discussion, and we don’t have a path forward right now,” Pedersen says.
In 2016, MD Helicopters had claimed it was making investments in the NOTAR technology, but Pedersen says there is no evidence of these efforts.
“The question is from a business standpoint, where do we spend our time focusing, and what’s the biggest bang for the buck?” Pedersen says. NOTAR, he suggests, is not a priority. [17]
McDonnell Douglas Corporation was a major American aerospace manufacturing corporation and defense contractor, formed by the merger of McDonnell Aircraft and the Douglas Aircraft Company in 1967. Between then and its own merger with Boeing in 1997, it produced well-known commercial and military aircraft, such as the DC-10 and the MD-80 airliners, the F-15 Eagle air superiority fighter, and the F/A-18 Hornet multirole fighter.
The Hughes Aircraft Company was a major American aerospace and defense contractor founded on February 14, 1934 by Howard Hughes in Glendale, California, as a division of Hughes Tool Company. The company produced the Hughes H-4 Hercules aircraft, the atmospheric entry probe carried by the Galileo spacecraft, and the AIM-4 Falcon guided missile.
The Hughes OH-6 Cayuse is a single-engine light helicopter designed and produced by the American aerospace company Hughes Helicopters. Its formal name is derived from the Cayuse people, while its "Loach" nickname is derived from Light Observation Helicopter (LOH) program under which it was procured.
Boeing Rotorcraft Systems is the former name of an American aircraft manufacturer, now known as Vertical Lift division of Boeing Defense, Space & Security.
The Schweizer Aircraft Corporation was an American manufacturer of sailplanes, agricultural aircraft and helicopters located in Horseheads, New York. It was incorporated in 1939 by three Schweizer brothers, who built their first glider, the SGP 1-1, in 1930. Previously the oldest privately owned aircraft company in the United States, Schweizer was acquired by Sikorsky Aircraft Corporation of Stratford, Connecticut in 2004, and became a diversified aerospace company. Schweizer Aircraft ceased operations in 2012. It was sold to Schweizer RSG in 2018 and production lines were opened in Fort Worth, Texas. The company was producing two helicopter models in 2021. The 300C and 300CBI
Hughes Helicopters was a major manufacturer of military and civilian helicopters from the 1950s to the 1980s.
NOTAR is a helicopter system which avoids the use of a tail rotor. It was developed by McDonnell Douglas Helicopter Systems. The system uses a fan inside the tail boom to build a high volume of low-pressure air, which exits through two slots and creates a boundary layer flow of air along the tailboom utilizing the Coandă effect. The boundary layer changes the direction of airflow around the tailboom, creating thrust opposite the motion imparted to the fuselage by the torque effect of the main rotor. Directional yaw control is gained through a vented, rotating drum at the end of the tailboom, called the direct jet thruster. Advocates of NOTAR assert that the system offers quieter and safer operation than a traditional tail rotor.
The Boeing MH-6M Little Bird and its attack variant, the AH-6, are light helicopters used for special operations in the United States Army. Originally based on a modified OH-6A, it was later based on the MD 500E, with a single five-bladed main rotor. The newest version, the MH-6M, is based on the MD 530F and has a single, six-bladed main rotor and four-bladed tail rotor.
The Schweizer S300 series family of light utility helicopters was originally produced by Hughes Helicopters, as a development of the Hughes 269. Later manufactured by Schweizer Aircraft, and currently produced by Schweizer RSG, the basic design has been in production for over 50 years. The single, three-bladed main rotor and piston-powered S300 is mostly used as a cost-effective platform for training and agriculture.
The Hughes TH-55 Osage is a piston-powered light training helicopter produced for the United States Army. It was also produced as the Model 269 family of light utility helicopters, some of which were marketed as the Model 300. The Model 300C was produced and further developed by Schweizer after 1983.
Boeing Canada is the Canadian subsidiary of Boeing, with operations in Winnipeg, MB, Richmond, BC, Montreal, QC and Ottawa, ON. Boeing employs more than 1,600 people in Canada. Boeing Aircraft of Canada Limited was formed in 1929 by the American Boeing Airplane Company.
The Allison Model 250, now known as the Rolls-Royce M250, is a highly successful turboshaft engine family, originally developed by the Allison Engine Company in the early 1960s. The Model 250 has been produced by Rolls-Royce since it acquired Allison in 1995.
The MD Helicopters MD 500 series is an American family of light utility civilian and military helicopters. The MD 500 was developed from the Hughes 500, a civilian version of the US Army's OH-6A Cayuse/Loach. The series currently includes the MD 500E, MD 520N, and MD 530F.
The MD Helicopters MD Explorer is a light twin-engined utility helicopter designed and initially produced by the American rotorcraft specialist McDonnell Douglas Helicopter Systems.
The MD Helicopters MD 600N is a light utility civilian helicopter designed in the United States. It is a stretched eight-seat development of the five-seat MD 520N helicopter.
The McDonnell Douglas Helicopter Systems MD 500 Defender is a light multi-role military helicopter based on the MD 500 light utility helicopter and OH-6 Cayuse Light Observation Helicopter.
The Advanced Attack Helicopter (AAH) was a United States Army program to develop an advanced ground attack helicopter beginning in 1972. The Advanced Attack Helicopter program followed cancellation of the Lockheed AH-56 Cheyenne. After evaluating industry proposals, the AAH competition was reduced to offerings from Bell and Hughes. Following a flight test evaluation of prototypes, Hughes' YAH-64 was selected in December 1976.
The Boeing AH-6 is a series of light helicopter gunships based on the MH-6 Little Bird and MD 500 family. Developed by Boeing Rotorcraft Systems, these include the Unmanned Little Bird (ULB) demonstrator, the A/MH-6X Mission Enhanced Little Bird (MELB), and the proposed AH-6I and AH-6S.
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